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v1.0.0
ICD-10 Guide
DiagnosesSeptic Arthritis

Septic Arthritis

ICD-10 Coding for Septic Arthritis(M00.0, M00.9)

PRIMARY SPECIALTYEmergency Medicine
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Septic Arthritis?
Essential facts and insights about Septic Arthritis

Key Clinical Considerations:

  • Joint pain, swelling, and redness
  • Synovial fluid analysis showing infection
  • Fever and chills

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history and physical exam findings
  • Details of joint aspiration and culture results
  • Assessment of systemic symptoms

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for differentiating septic arthritis from other types of arthritis.
  • Common errors include misclassifying the type of arthritis or omitting key symptoms.

Code Exclusions

Important Exclusions

  • Osteoarthritis and rheumatoid arthritis
  • Codes for non-infectious arthritis

Related ICD-10 Codes

Primary Codes
711.0
Septic arthritis, unspecified
711.9
Arthritis, unspecified
Ancillary Codes
B95.6
Differential Codes
M00.1
M02.3

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Emergency Medicine

Specialty Applications

  • Adults and children presenting with joint pain
  • Emergency departments and urgent care settings

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Document patient history, physical exam, lab results, and treatment plan.

What are the billing considerations?

Ensure accurate coding based on diagnosis and procedures performed.